obstructor

Noun

Meaning

any structure that makes progress difficult

someone who systematically obstructs some action that others want to take

Source: WordNet

Synonyms

resister obstruction impediment obstructionist obstructer thwarter impedimenta opponent gate closure obstacle antagonist inhibitor deterrent adversary
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Antonyms

member advantage ally colleague promoter fanatic
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Hypernyms

structure construction eristic controversialist disputant

Hyponyms

stop block bar interference barrier closure

Close letter words and terms

obstructiveness obstructivism obstructng oneself obstruency obstruent obstruent consonant